ClassID:

161905

F28D7/12 - CPC Classification

Classification description:

Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type

Recent Application in this class:
#1
20260009586
2026-01-08

HEAT EXCHANGE ELEMENT AND SYSTEMS AND METHOD FOR EXCHANGING THERMAL ENERGY

#2
20250327625
2025-10-23

CONCENTRIC TUBE HEAT CARRY-AWAY DEVICE

#3
20250264282
2025-08-21

INTEGRATED SUPPLY AND RETURN MANIFOLD FOR TUBE-IN-TUBE HEAT TRANSFER

#4
20250116467
2025-04-10

Counterflow Rotary Cooler

#5
20240118034
2024-04-11

Tube-in-tube unified shell heat exchanger

#6
20230330616
2023-10-19

A SHELL-AND-TUBE HEAT EXCHANGER, METHOD OF EXCHANGING HEAT AND USE OF HEAT EXCHANGER

#7
20230059175
2023-02-23

Element for a thermal energy storage

#8
20230040985
2023-02-09

Phase change cold storage device having vortex coiled tubes

#9
20230003422
2023-01-05

ARRANGEMENT IN A BOREHOLE

#10
20220349658
2022-11-03

Heat exchanger

#11
20220252353
2022-08-11

Heat exchange member, heat exchanger and heat conductive member

#12
20220196333
2022-06-23

Heat exchanger and air conditioner having the same

#13
20220126236
2022-04-28

CONDENSATION DEVICE, FLUX RECOVERY DEVICE, SOLDERING DEVICE, WATER VAPOR REMOVING METHOD, FLUX RECOVERY METHOD AND SOLDER PROCESSING METHOD

#14
20220042721
2022-02-10

SYSTEM FOR POWER GENERATION FROM RENEWABLE ENERGY, AND RELATED LONGITUDINAL FINNED HEAT EXCHANGERS AND METHODS

#15
20210325088
2021-10-21

HEAT TRANSFER DEVICE

#16
20210285690
2021-09-16

Heat exchange device

#17
20210260966
2021-08-26

Heat exchanger

#18
20210205729
2021-07-08

DISTRIBUTOR FOR POLYMER SOLUTION DEVOLATILIZATION, METHODS OF MANUFACTURE THEREOF AND AN ARTICLE COMPRISING THE SAME

#19
20210080186
2021-03-18

Shell and tube heat exchanger

#20
20210080185
2021-03-18

Heat exchanger and method for producing same

#21
20200395159
2020-12-17

Flow-guiding rod, bushing and converter transformer system

#22
20200306711
2020-10-01

Shell-and-tube equipment with distribution device

#23
20200132383
2020-04-30

Nested-flow heat exchangers and chemical reactors

#24
20190353395
2019-11-21

Heating apparatus

#25
20190219302
2019-07-18

Fully-wetted, refractory-free tubeless fluid heating system with negligible thermal expansion stress

#26
20190195574
2019-06-27

Process and apparatus for cooling catalyst

#27
20190195488
2019-06-27

Heater

#28
20190193041
2019-06-27

Process and apparatus for fluidizing a catalyst bed

#29
20190193040
2019-06-27

Process and apparatus for fluidizing a catalyst bed

#30
20190137192
2019-05-09

Heat recovery apparatus and method

#31
20190118617
2019-04-25

Heat exchanger unit

#32
20190113284
2019-04-18

Nested-flow heat exchangers and chemical reactors

#33
20190106636
2019-04-11

Cooler for carbon-based feedstock processing system

#34
20190048781
2019-02-14

Coolant heating apparatus for electric vehicle

#35
20190033002
2019-01-31

U-tube heat exchanger

#36
20190030503
2019-01-31

HOLLOW CHAMBER X-MIXER HEAT EXCHANGER

#37
20180356160
2018-12-13

Heat exchanger unit

#38
20180339242
2018-11-29

Heat treatment furnace device and method for producing carbon fiber bundle

#39
20180320897
2018-11-08

WASTE HEAT RECOVERY

#40
20180216893
2018-08-02

Nested-flow heat exchangers

#41
20180209743
2018-07-26

Nested-flow heat exchangers and chemical reactors

#42
20180187988
2018-07-05

Heat exchanger

#43
20180162327
2018-06-14

Washer fluid heating system and apparatus

#44
20180130645
2018-05-10

Heat transfer medium supply system and substrate processing apparatus

#45
20180126056
2018-05-10

Dialysis system

#46
20180116429
2018-05-03

System for glazing an object intended to allow a product to be displayed in a visually attractive way, cooled and/or kept at a desired temperature

#47
20180086634
2018-03-29

PROCESS FOR PREPARING A SYNGAS AND SYNGAS COOLING DEVICE

#48
20180038662
2018-02-08

Cooling device for reducing the temperature of cooked warm food held in a container, in particular in a standard trolley

#49
20180003451
2018-01-04

Cold plate heat exchanger

#50
20180003444
2018-01-04

Heat exchanger

#51
20170309931
2017-10-26

Fuel cell device

#52
20170305116
2017-10-26

Multilayer thermal shield comprising an integrated fluid circuit

#53
20170299273
2017-10-19

Heat exchangers

#54
20170227254
2017-08-10

Heating apparatus

#55
20170165588
2017-06-15

Apparatus for desubliming or condensing a condensable fluid in a closed space

#56
20160363379
2016-12-15

Heat exchanger

#57
20160363350
2016-12-15

Boiling-water geothermal heat exchanger and boiling-water geothermal power generation equipment

#58
20160303538
2016-10-20

Tube in tube continuous glass-lined reactor

#59
20160282052
2016-09-29

Nested-flow heat exchangers and chemical reactors

#60
20160215219
2016-07-28

Cooler for carbon-based feedstock processing system

#61
20160169552
2016-06-16

Fully-wetted, refractory-free tubeless fluid heating system with negligible thermal expansion stress

#62
20160169211
2016-06-16

Boiling-water geothermal heat exchanger and boiling-water geothermal power generation equipment

#63
20160097375
2016-04-07

Supply assembly for a turbine of a solar thermodynamic system and solar thermodynamic system comprising said assembly

#64
20160084582
2016-03-24

Heat exchanger

#65
20160023535
2016-01-28

Heat exchanger arrangement, especially for a vehicle heater

#66
20150316294
2015-11-05

Coaxial borehole heat exchanger and method of producing the same

#67
20150176910
2015-06-25

Methods and systems for cooling hot particulates

#68
20150144498
2015-05-28

Device and apparatus for carrying out chemical dissociation reactions at elevated temperatures

#69
20150114610
2015-04-30

Ammonia heat exchanger unit and system

#70
20150068740
2015-03-12

Coaxial ground heat exchanger and method for installing said ground heat exchanger in the ground

#71
20150013949
2015-01-15

HEAT-EXCHANGE APPARATUS FOR INSERTION INTO A STORAGE TANK, AND MOUNTING COMPONENTS THEREFOR

#72
20150007604
2015-01-08

Heat exchanger

#73
20150000878
2015-01-01

Heat-dissipating structure having embedded support tube to form internally recycling heat transfer fluid and application apparatus

#74
20150000877
2015-01-01

Heat-dissipating structure having suspended external tube and internally recycling heat transfer fluid and application apparatus

#75
20150000876
2015-01-01

Heat-dissipating structure having suspended external tube and internally recycling heat transfer fluid and application apparatus

#76
20150000875
2015-01-01

Heat-dissipating structure having embedded support tube to form internally recycling heat transfer fluid and application apparatus

#77
20140299545
2014-10-09

Dialysis system

#78
20140216699
2014-08-07

Air conditioner and heat exchanger therefor

#79
20140131461
2014-05-15

Heat exchanger arrangement, especially for a vehicle heater

#80
20140064775
2014-03-06

Cooling device having a turbulence generating unit

#81
20130312946
2013-11-28

Methods and Systems for Cooling Hot Particulates

#82
20130264028
2013-10-10

Turbulated immersion heat-exchange apparatus

#83
20130258798
2013-10-03

Gas injection heating probe

#84
20130233510
2013-09-12

LIQUID HEATING SYSTEM

#85
20130213017
2013-08-22

Annular heat exchanger

#86
20130199761
2013-08-08

Heat-exchange apparatus for insertion into a storage tank, and mounting components therefor

#87
20130092361
2013-04-18

Heat exchange fluid purification for dialysis system

#88
20120305216
2012-12-06

TURBULATED IMMERSION HEAT-EXCHANGE APPARATUS

#89
20120247719
2012-10-04

METHOD OF AND APPARATUS FOR TRANSFERRING HEAT ENERGY BETWEEN A HEAT EXCHANGING SUBSYSTEM ABOVE THE SURFACE OF THE EARTH AND MATERIAL THEREBENEATH USING ONE OR MORE COAXIAL-FLOW HEAT EXCHANGING STRUCTURES PRODUCING TURBULENCE IN AQUEOUS-BASED HEAT-TRANSFERING FLUID FLOWING ALONG HELICALLY-EXTENDING OUTER FLOW CHANNELS FORMED THEREIN

#90
20120211210
2012-08-23

COAXIAL-FLOW HEAT TRANSFER STRUCTURE

#91
20120205066
2012-08-16

Heat exchanger arrangement, especially for a fuel-operated vehicle heater

#92
20120180519
2012-07-19

HEAT EXCHANGE SYTEM AND METHOD OF PRODUCING THE SAME

#93
20120145373
2012-06-14

FIRETUBE HAVING THERMAL CONDUCTING PASSAGEWAYS

#94
20120031584
2012-02-09

Ash and solids cooling in high temperature and high pressure environment

#95
20120014679
2012-01-19

Fluid heating device

#96
20110308780
2011-12-22

HEAT EXCHANGER FOR AN ANNEALING FURNACE FOR EXCHANGING HEAT BETWEEN TWO FLUIDS

#97
20110302910
2011-12-15

Annular heat exchanger

#98
20110259547
2011-10-27

BUILDING STRUCTURES EMPLOYING COAXIAL-FLOW HEAT TRANSFER STRUCTURES FOR THERMAL REGULATION

#99
20110143231
2011-06-16

INTEGRATED PIPING MODULE IN FUEL CELL SYSTEM

#100
20110120682
2011-05-26

METHOD AND DEVICE FOR THE ABSORPTION OF HEAT IN A VACUUM COATING APPARATUS

#101
20110048343
2011-03-03

STEAM BOILER EQUIPPED WITH COOLING DEVICE

#102
20110030933
2011-02-10

Heat exchanger with concentric tubes

#103
20110030927
2011-02-10

Cooling device having a turbulence generating unit

#104
20100326916
2010-12-30

Dialysis system

#105
20100319888
2010-12-23

Heat exchanger for cooling reaction gas, including a tubular connection between a cooled tube and an uncooled tube

#106
20100316919
2010-12-16

FUEL CELL STACK WITH HEAT RECUPERATOR

#107
20100260651
2010-10-14

Cooling system and shell-type reactor with such cooling system

#108
20100254891
2010-10-07

Bayonet tube exchanger-reactor allowing operation with pressure differences of the order of 100 bars between the tube side and the shell side

#109
20100226471
2010-09-09

SYSTEM FOR EVACUATING THE RESIDUAL HEAT FROM A LIQUID METAL OR MOLTEN SALTS COOLED NUCLEAR REACTOR

#110
20100175982
2010-07-15

Installation for Production of Biodiesel

#111
20100175865
2010-07-15

In-situ gas analyzer probe

#112
20100059198
2010-03-11

SYSTEM FOR CONFIGURING EARTH PROBES

#113
20100034528
2010-02-11

Water heating apparatus and system

#114
20100018522
2010-01-28

Tube collector with variable thermal conductivity of the coaxial tube

#115
20090250200
2009-10-08

Coaxial-flow heat transfer structures for use in diverse applications

#116
20090220390
2009-09-03

Device for generating hydrogen from hydrocarbon, water and oxygen comprising a reaction and heat exchange chamber

#117
20090218083
2009-09-03

TURBULATED IMMERSION HEAT-EXCHANGE APPARATUS

#118
20090014429
2009-01-15

Heating Element for Baking Ovens

#119
20080295784
2008-12-04

Water vaporizer with intermediate steam superheating pass

#120
20080210402
2008-09-04

Method of and apparatus for transferring heat energy between a heat exchanging subsystem above the surface of the earth and material therebeneath using one or more coaxial-flow heat exchanging structures producing turbulence in aqueous-based heat-transfering fluid flowing along helically-extending outer flow channels formed therein

#121
20080209933
2008-09-04

System for exchanging heat within an environment using a coaxial-flow heat exchanging structure with helically-finned tubing

#122
20080196859
2008-08-21

Method of transferring heat energy between a heat exchanging subsystem above the surface of the earth and material therebeneath using a coaxial-flow heat exchanging structure generating turbulence along the outer flow channel thereof

#123
20080185135
2008-08-07

Natural gas dehydration and condensate separation system employing co-axial flow heat exchanging structures

#124
20080185122
2008-08-07

Building structures employing coaxial-flow heat transfer structures for thermal regulation

#125
20080148758
2008-06-26

Heat exchanging system employing co-axial flow heat exchanging structures installed in the ambient environment

#126
20080105421
2008-05-08

HEAT EXCHANGER AND PROCESS FOR DEVOLATILIZING POLYMER USING SAME

#127
20080060788
2008-03-13

Heat exchanger for a cooling system

#128
20080000620
2008-01-03

Heat exchanger

#129
20070071663
2007-03-29

Fuel reforming apparatus with first pipe ends closed onto second pipe

#130
20070039725
2007-02-22

Water vaporizer with intermediate steam superheating pass

#131
20070029067
2007-02-08

Geo-thermal heat exchanging system facilitating the transfer of heat energy using coaxial-flow heat exchanging structures installed in the earth for introducing turbulence into the flow of the aqueous-based heat transfer fluid flowing along the outer flow channel

#132
20070029066
2007-02-08

Coaxial-flow heat exchanging structure for installation in the earth and introducing turbulence into the flow of the aqueoue-based heat transfer fluid flowing along the outer flow channel while its cross-sectional characteristics produce fluid flows therealong having optimal vortex characteristics that optimize heat transfer with the earth

#133
20070023164
2007-02-01

Geo-thermal heat exchanging system facilitating the transfer of heat energy using coaxial-flow heat exchanging structures installed in the earth for introducing turbulence into the flow of the aqueous-based heat transfer fluid flowing along the outer flow channel

#134
20070023163
2007-02-01

Electromagnetic signal transmission/reception tower and accompanying base station employing system of coaxial-flow heat exchanging structures installed in well bores to thermally control the environment housing electronic equipment within the base station

#135
20070017243
2007-01-25

Coaxial-flow heat transfer structures for use in diverse applications

#136
20060201180
2006-09-14

Coaxial-flow heat transfer system employing a coaxial-flow heat transfer structure having a helically-arranged fin structure disposed along an outer flow channel for constantly rotating an aqueous-based heat transfer fluid flowing therewithin so as to improve heat transfer with geological environments

#137
20060201179
2006-09-14

Coaxial-flow heat transfer system employing a coaxial-flow heat transfer structure having a helically-arranged fin structure disposed along an outer flow channel for constantly rotating an aqueous-based heat transfer fluid flowing therewithin so as to improve heat transfer with geological environments

#138
20060135358
2006-06-22

Catalyst cooling processes utilizing steam superheating

#139
20050139344
2005-06-30

Internal water tank solar heat exchanger

#140
20050080147
2005-04-14

Fischer-tropsch slurry reactor cooling tube arrangement

#141
20050022939
2005-02-03

Heat exchanger and process for devolatilizing polymers using same